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server04 passed

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Ajurna
2025-07-30 21:59:33 +01:00
parent d7ca392e49
commit a72cceca00
3 changed files with 31 additions and 17 deletions
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36
server04.c
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@@ -20,28 +20,41 @@ int main() {
int connection_number = 1;
char *request = malloc(BUF_SIZE);
char buffer[BUF_SIZE] = {0};
int bytesReceived;
data_map_t *data = data_map_create(1024);
printf("Listening for incoming connections...\n");
while ((bytesReceived = recvfrom(server, buffer, sizeof(buffer), 0, (SOCKADDR *) &clientAddr, &clientAddrSize)) > 0) {
while (true) {
int bytesReceived = recvfrom(server, buffer, sizeof(buffer), 0, (SOCKADDR *) &clientAddr, &clientAddrSize);
const char *equals = "=";
size_t pos;
// IN_ADDR addr = clientAddr.sin_addr;
// printf("{%d} Client ip: |%d.%d.%d.%d| \n", connection_number, addr.S_un.S_un_b.s_b1, addr.S_un.S_un_b.s_b2, addr.S_un.S_un_b.s_b3, addr.S_un.S_un_b.s_b4);
// printf("{%d} Client port: |%d| \n", connection_number, clientAddr.sin_port);
if ((pos = strcspn(buffer, equals)) >= 0) {
printf("{%d} Client sent: |%s| \n", connection_number, buffer);
if ((pos = strcspn(buffer, equals)) != strlen(buffer)) {
key_value_t *kv = malloc(sizeof(key_value_t));
kv->key = malloc(sizeof(char)*1024);
kv->value = malloc(sizeof(char)*1024);
strncpy_s(kv->key, BUF_SIZE, buffer, pos);
strncpy_s(kv->value, BUF_SIZE, buffer + sizeof(char)*(pos+1), sizeof(buffer) - pos - 1);
data_map_insert_kv(data, kv);
printf("{%d} Key: |%s| Value: |%s| \n", connection_number, kv->key, kv->value);
} else {
printf("{%d} Client sent: |%s| \n", connection_number, buffer);
printf("{%d} Client query: |%s| \n", connection_number, buffer);
char *value = data_map_get(data, buffer);
if (strcmp(buffer, "version") == 0) {
const char *version = "version=Ken's Key-Value Store 1.0";
sendto(server, version, strlen(version), 0, (SOCKADDR *) &clientAddr, clientAddrSize);
} else {
sprintf(buffer, "%s=%s", buffer, value);
sendto(server, buffer, strlen(buffer), 0, (SOCKADDR *) &clientAddr, clientAddrSize);
}
}
sendto(server, buffer, bytesReceived, 0, (SOCKADDR *) &clientAddr, clientAddrSize);
strncpy_s(request, BUF_SIZE, buffer, bytesReceived);
printf("{%d} Client sent: |%s| \n", connection_number, request);
// sendto(server, buffer, bytesReceived, 0, (SOCKADDR *) &clientAddr, clientAddrSize);
// strncpy_s(request, BUF_SIZE, buffer, bytesReceived);
// printf("{%d} Client sent: |%s| \n", connection_number, request);
connection_number++;
memset(buffer, 0, sizeof(buffer));
}
data_map_free(data);
free(request);
@@ -64,7 +77,7 @@ void data_map_free(data_map_t *map) {
free(map);
}
void data_map_insert_kv(data_map_t *map, key_value_t *kv) {
if (map->data == NULL) {
if (map==NULL || map->data == NULL) {
exit(1);
}
for (int i = 0; i < map->count; i++) {
@@ -79,8 +92,7 @@ void data_map_insert_kv(data_map_t *map, key_value_t *kv) {
key_value_t *new_array = realloc(map->data, map->capacity * sizeof(key_value_t));
map->data = new_array;
}
map->data[map->count].key = kv->key;
map->data[map->count].value = kv->value;
map->data[map->count] = *kv;
map->count = new_size;
}
@@ -115,11 +127,11 @@ void data_map_insert(data_map_t *map, char *key, char *value) {
data_map_append(map, key, value);
}
char *data_map_get(data_map_t *map, const char *key) {
char *data_map_get(const data_map_t *map, const char *key) {
for (int i = 0; i < map->count; i++) {
if (strcmp(map->data[i].key, key) == 0) {
return map->data[i].value;
}
}
return NULL;
return "";
}